Wins
8
Indexed tournament wins
Player record
Koichi Takeya
Losses
3
Indexed tournament losses
Matches
11
Decisive results
Win rate
72.7%
Across indexed matches
Peak rating
2,669
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Barry Dattel
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 27, 2026, 2:22 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 2,673 | 2,669 | -4 | 2W / 1L |
| Jul 6, 1997 | U.S. OpenTournament · View matches · Initial rating 2,584 | Unrated | 2,584 | — | 6W / 2L |
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